Ford E9SZ-6564-A
Rocker Arms

The procedure to service rocker arms starts with cleaning operations to avoid contaminants that may enter oil channels or coolant channels or oil pan since such entrainment results in engine destruction and failure. A correct marker system should be used to indicate the correct placement of multiple removed rocker arm components. The first step involves removing the valve cover and then proceeding to the rocker arms through bolt extraction. Initiate bolt installation of rocker arms by hand before tightening the bolts in two steps according to the specifications of 5 Nm (44 inch lbs.) followed by 32 Nm (24 ft. lbs.). Finally, reinstall the valve cover.

You should start servicing and repairing the rocker arm assembly by uninstalling the valve cover at the beginning of the operation while keeping everything clean to stop foreign material from entering pathways between oil and coolant which might lead to total engine failure. Rocker arm marks should indicate their former positions before removing bolts while taking out rocker arms and pivots for possible reuse. Check the rocker arms for damages that need attention. Maintenance trickles start by applying clean engine oil to the rocker arms and pivots before you should place and manually begin the bolts. The bolt installation requires a two-step procedure starting from 5 Nm (44 inch lbs.) then progressing to 32 Nm (24 ft. lbs.). Finally, reinstall the valve cover.

The service and repair process starts with comprehensive part cleaning although it requires examination of open oil passages which includes the push rod/valve tappet section on the rocker arm. The rocker arm pad and side rails and seat require an inspection for extensive wear along with the detection of cracks, burrs and nicks; grinding to true surfaces is prohibited. Before continuing check the rocker arm seat bolt for damage which causes thread stripping because broken threads can result in more severe problems therefore replacement of defective components becomes essential. Check for nicks and scratches as well as scores and scuffs in the rocker arm push rod bore before replacing defective parts. A new rocker arm has to be installed after identifying any pad grooves at the valve end of the rocker arm.

Service and repair of the rocker arm assembly starts with cleaning the valve cover to avoid foreign substance entry that would result in engine failure. Before uninstalling the rocker arm bolts and pivots it is necessary to mark the rocker arms with their original positioning. Clean engine oil serves to lubricate rocker arms along with their pivots after inspection. Install the components with this oil. The installer should position both rocker arms and pivots before using hand tools to start the bolts and finish by tightening them to 5 Nm (44 inch lbs) then 32 Nm (24 ft. lbs). Finally, reinstall the valve cover.

First to 5 Nm (44 lb-in) and then to 32 Nm (24 lb-ft).

It is crucial not to attempt to true surfaces by grinding.

Tighten the bolts in two stages: the first stage to 5 Nm (44-inch lbs.) and the second stage to 35 Nm (26 ft. lbs.).

Look for nicks, scratches, scores, or scuffs.

Begin by removing the valve cover.

Begin by removing the valve cover.

Position the rocker arms and hand-start the bolts.

Proceed to remove the rocker arms and the associated bolts.

Reinstall the valve cover.

Tighten the bolts in two stages: the first stage to 5 Nm (44 inch lbs.), followed by the second stage at 35 Nm (26 ft. lbs.).

Reinstall the valve cover.